#!/bin/bash

# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

path=$( cd "$(dirname "${BASH_SOURCE}")" ; pwd -P )

cd "$path"

if [[ -f .version ]]; then
    vstring=$(cat .version)
else
    vstring=$(git describe)
    if [[ $? != 0 ]]; then
      exit 1
    fi
fi

TAG=$(echo ${vstring} | cut -d- -f1 | sed -e 's/^v//')
ADD=$(echo ${vstring} | cut -s -d- -f2)

git rev-parse 2> /dev/null
if [[ $? == 0 ]]; then
    CMT=$(git describe --dirty --long | cut -s -d- -f3,4)
else
    CMT=$(echo ${vstring} | cut -s -d- -f3,4)
fi
CMTR=$(echo ${CMT} | sed 's/-/_/')

if [[ -n "${BUILD_NUMBER}" ]]; then
       BLD="~b${BUILD_NUMBER}"
fi

if [[ "$1" = "rpm-version" ]]; then
  echo ${TAG}
  exit
fi

if [[ "$1" = "rpm-release" ]]; then
  [[ -z "${ADD}" ]] && echo release && exit
  echo ${ADD}${CMTR:+~${CMTR}}${BLD}
  exit
fi

if [[ "$1" = "deb-vpp-version" ]]; then
  vpp_version=`dpkg -l vpp |grep vpp |awk '{print $3}'`
  echo ${vpp_version}
  exit
fi

if [[ "$1" = "rpm-vpp-version" ]]; then
  vpp_version=`yum list installed vpp |grep vpp |awk -F' ' '{print $2}'`
  echo ${vpp_version}
  exit
fi


if [[ "$1" = "os-version-id" ]]; then
  [[ -z "${ADD}" ]] && echo release && exit
  source /etc/os-release
  echo ${VERSION_ID}
  exit
fi
if [[ "$1" = "os-id" ]]; then
  [[ -z "${ADD}" ]] && echo release && exit
  source /etc/os-release
  echo ${ID}
  exit
fi


  if [[ -n "${ADD}" ]]; then
    if [[ "$1" = "rpm-string" ]]; then
      echo ${TAG}-${ADD}${CMTR:+~${CMTR}}${BLD}
    else
      echo ${TAG}-${ADD}${CMT:+~${CMT}}${BLD}
    fi
  else
    echo ${TAG}-release
fi
